May 27 - June 2, 2012 (91 images)

Lori Anne Madison, 6, of Woodbridge, Virginia, adjusts the microphone as he steps up to accept her first word, during opening round of the Scripps National Spelling Bee, May 30, 2012, in National Harbor, Maryland. Madison, the youngest known qualifier in the history of the contest, correctly spelled the word "dirigible", a lighter-than-air aircraft, to advance. UPI/Mike Theiler

Contestants (L-R) Cooper Barth of West Long Branch, New Jersey, Eboseremhen Eigbe of Galloway, New Jersey, Jacob Bayly Hunter of Sante Fe, New Mexico and Massound Sharif of Albany, New York, all await their turns to compete during the 3rd round of the Scripps National Spelling Bee, May 30, 2012, in National Harbor, Maryland. UPI/Mike Theiler

Roger Federer of Switzerland hits a shot during his French Open mens second round match against Romanian Adrian Ungur at Roland Garros in Paris on May 30, 2012. Federer defeated Ungur 6-3, 6-2, 6-7 (6), 6-3 to advance to the next round. UPI/David Silpa

An old technology oil pump stands inoperative as new oil drilling sites are created at the Niobrara oil shale formation in Weld County, North eastern Colorado on May 30, 2012. Gas and oil companies are using large amounts of water to obtain shale oil and gas in a process called hydraulic fracturing or fracking. UPI/Gary C. Caskey